Peacock's train is not such a drag
The magnificent plumage of the peacock may not be quite the sacrifice to love that it appears to be, University of Leeds researchers have discovered.
Men enjoy competition, but so do women, researchers find
Common stereotypes would have us believe that men are more competitive and women more cooperative.
Size doesn't matter if you're a sex sneak
Research into the mating behaviour of one of New Zealand's most unusual insects shows it doesn't always pay to be brave – sneaking sex can be just as effective.
Study shows tolerance and cooperative ties between male Guinea baboons
Contests, threats, or ignoring one another: The relationships between male mammals are usually described in this or a similar way. The situation is quite different in humans where strong partnerships and ...
More than half of biology majors are women, yet gender gaps remain in science classrooms
Science, technology, engineering and mathematics (STEM) fields are traditionally heavily dominated by males, which is of great concern to universities as they try to improve student retention and achievement. ...
Researchers identify a pheromone in the urine of male tilapia fish that stimulates spawning in females
The exchange of chemical signals between organisms is considered the oldest form of communication. Acting as messenger molecules, pheromones regulate social interactions between conspecifics, for example, ...
Fish study links brain size to parental duties
Male stickleback fish that protect their young have bigger brains than counterparts that don't care for offspring, finds a new University of British Columbia study.
Population density and testes size: More than meets the eye
A team of researchers has discovered that changes in population density can affect the size of animals' testes and therefore impact on reproduction.
Genetically engineered fruit flies could save crops
Releasing genetically engineered fruit flies into the wild could prove to be a cheap, effective and environmentally friendly way of pest control according to scientists at the University of East Anglia and ...
Researchers discover a rare case of internal differences between the sexes of one fish genus
A team of scientists, including Museum fish researcher Dr Ralf Britz, have discovered that in one genus of fish the swimbladder, the organ used for buoyancy in water, is greatly enlarged in the males.
How plants may be evolving to the lack of bees
Plants which used to have two types of male reproductive organs – to increase their chances for fertilisation – are reverting back to one type. And in some cases, they are becoming self-fertilising.
New archaeological find could shed light on late-Roman Britain
A unique archaeological find uncovered near the site of a Roman villa in Dorset could help to shed light on the rural elite of late-Roman Britain.
Flower's bellows organ blasts pollen at bird pollinators
A small tree or shrub found in mountainous Central and South American rainforests has a most unusual relationship with the birds that pollinate its flowers, according to a study reported in the journal Current Bi ...